add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/hid/hid-rmi.c
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@@ -1,13 +1,9 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  *  Copyright (c) 2013 Andrew Duggan <aduggan@synaptics.com>
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  *  Copyright (c) 2013 Synaptics Incorporated
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  *  Copyright (c) 2014 Benjamin Tissoires <benjamin.tissoires@gmail.com>
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  *  Copyright (c) 2014 Red Hat, Inc
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms of the GNU General Public License as published by the Free
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- * Software Foundation; either version 2 of the License, or (at your option)
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- * any later version.
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  */
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 #include <linux/kernel.h>
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@@ -39,6 +35,7 @@
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 /* device flags */
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 #define RMI_DEVICE			BIT(0)
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 #define RMI_DEVICE_HAS_PHYS_BUTTONS	BIT(1)
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+#define RMI_DEVICE_OUTPUT_SET_REPORT	BIT(2)
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 /*
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  * retrieve the ctrl registers
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@@ -167,9 +164,19 @@
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 static int rmi_write_report(struct hid_device *hdev, u8 *report, int len)
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 {
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+	struct rmi_data *data = hid_get_drvdata(hdev);
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 	int ret;
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-	ret = hid_hw_output_report(hdev, (void *)report, len);
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+	if (data->device_flags & RMI_DEVICE_OUTPUT_SET_REPORT) {
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+		/*
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+		 * Talk to device by using SET_REPORT requests instead.
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+		 */
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+		ret = hid_hw_raw_request(hdev, report[0], report,
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+				len, HID_OUTPUT_REPORT, HID_REQ_SET_REPORT);
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+	} else {
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+		ret = hid_hw_output_report(hdev, (void *)report, len);
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+	}
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+
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 	if (ret < 0) {
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 		dev_err(&hdev->dev, "failed to write hid report (%d)\n", ret);
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 		return ret;
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@@ -210,7 +217,6 @@
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 		ret = rmi_write_report(hdev, data->writeReport,
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 						data->output_report_size);
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 		if (ret != data->output_report_size) {
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-			clear_bit(RMI_READ_REQUEST_PENDING, &data->flags);
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 			dev_err(&hdev->dev,
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 				"failed to write request output report (%d)\n",
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 				ret);
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@@ -422,7 +428,6 @@
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 	switch (report->id) {
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 	case RMI_READ_DATA_REPORT_ID:
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-		/* fall-through */
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 	case RMI_ATTN_REPORT_ID:
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 		return;
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 	}
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@@ -715,7 +720,7 @@
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 	}
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 	if (data->device_flags & RMI_DEVICE_HAS_PHYS_BUTTONS)
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-		rmi_hid_pdata.f30_data.disable = true;
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+		rmi_hid_pdata.gpio_data.disable = true;
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 	data->xport.dev = hdev->dev.parent;
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 	data->xport.pdata = rmi_hid_pdata;
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@@ -752,6 +757,8 @@
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 		.driver_data = RMI_DEVICE_HAS_PHYS_BUTTONS },
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 	{ HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X1_COVER) },
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 	{ HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_REZEL) },
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+	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_ACER_SWITCH5),
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+		.driver_data = RMI_DEVICE_OUTPUT_SET_REPORT },
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 	{ HID_DEVICE(HID_BUS_ANY, HID_GROUP_RMI, HID_ANY_ID, HID_ANY_ID) },
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 	{ }
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 };